To dream about time indicates your fears of not being able to cope with the pressures and stresses of everyday life. If time is flying or moving slowly, then it is analogous to aging and growing old.
To dream that you do not have enough time signifies stress, anxiety and fear. You may feel that time is running out in a business or personal matter.
To see or put something in a time capsule suggests that some current knowledge or information will help you or someone in the future. What you learn today will be beneficial for you in the future.
To dream that you are digging up a time capsule refers to the exploration of your subconscious. You are literally unearthing some deep content.
To dream about time travel indicates your wish to escape from your present reality. You want to go back into the past or jump forward to the future to a period where your hopes are realized. This dream also represents your romantic tendency and or your desire to romanticize everything.